GPU Comparison
RADEON
AMD Radeon RX 7400
CORE STATE
Navi 33
VRAM
8 GB
CLOCK SPEED
2300 MHz
TDP
43 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 3.0
PROCESS
6 nm
LAUNCH DATE
2025
VS
GPU
Arc B390
CORE STATE
Panther Lake
VRAM
System Shared
CLOCK SPEED
2500 MHz
TDP
80 W
BUS WIDTH
System Shared
ARCHITECTURE
Xe3-LPG
PROCESS
3 nm
LAUNCH DATE
2026
DETAILED SPECIFICATIONS
SPECIFICATION
RX 7400
B390
Core Specs
Shading Units
1,792
1,536
-14.3%
Shaders
1,792
1,536
-14.3%
TMUs
112
48
-57.1%
ROPs
64
24
-62.5%
Compute Units
28
—
Execution Units
—
12
Clocks
Base Clock
1452 MHz
300 MHz
Boost Clock
2300 MHz
2500 MHz
Game Clock
2200 MHz
—
Memory Clock
2250 MHz
18 Gbps effective
System Shared
Memory
Memory Size
8 GB
System Shared
VRAM (MB)
8,192
—
Memory Type
GDDR6
System Shared
Memory Bus
128 bit
System Shared
Bandwidth
288.0 GB/s
System Dependent
Cache
L1 Cache
128 KB per Array
64 KB (per EU)
L2 Cache
2 MB
16 MB
L3 Cache
64 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
147.2 GPixel/s
60.00 GPixel/s
Texture Rate
257.6 GTexel/s
120.0 GTexel/s
FP32 (TFLOPS)
16.49 TFLOPS
7.680 TFLOPS
FP64 (TFLOPS)
515.2 GFLOPS (1:32)
960.0 GFLOPS (1:8)
FP16 (TFLOPS)
32.97 TFLOPS (2:1)
15.36 TFLOPS (2:1)
AI/RT
RT Cores
28
12
-57.1%
XMX Cores
—
96
Matrix Cores
56
—
Power
TDP
43 W
80 W
TDP (W)
43
80
+86.0%
Suggested PSU
200 W
—
Power Connectors
1x 6-pin
None
Architecture
Architecture
RDNA 3.0
Xe3-LPG
GPU Name
Navi 33
Panther Lake
Codename
Hotpink Bonefish
—
Generation
Navi III
(RX 7000)
Arc Graphics-M (Panther Lake)
Process Size
6 nm
3 nm
Transistors
13,300 million
—
Die Size
204 mm²
—
Foundry
TSMC
Intel
Density
65.2M / mm²
—
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.2
3.0
Shader Model
6.8
6.8
Physical
Slot Width
Dual-slot
IGP
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
Portable Device Dependent
Bus Interface
PCIe 4.0 x8
IGP
Other
Production
—
Active
Predecessor
Navi II
—
Successor
Navi IV
—